764616364360553 has 4 divisors (see below), whose sum is σ = 768578107181268. Its totient is φ = 760654621539840.

The previous prime is 764616364360507. The next prime is 764616364360601. The reversal of 764616364360553 is 355063463616467.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 548248503895849 + 216367860464704 = 23414707^2 + 14709448^2 .

It is a cyclic number.

It is not a de Polignac number, because 764616364360553 - 2¹⁸ = 764616364098409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 764616364360553.

It is not an unprimeable number, because it can be changed into a prime (764616364368553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1980871410068 + ... + 1980871410453.

It is an arithmetic number, because the mean of its divisors is an integer number (192144526795317).

Almost surely, 2^{764616364360553} is an apocalyptic number.

It is an amenable number.

764616364360553 is a deficient number, since it is larger than the sum of its proper divisors (3961742820715).

764616364360553 is a wasteful number, since it uses less digits than its factorization.

764616364360553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3961742820714.

The product of its (nonzero) digits is 587865600, while the sum is 65.

The spelling of 764616364360553 in words is "seven hundred sixty-four trillion, six hundred sixteen billion, three hundred sixty-four million, three hundred sixty thousand, five hundred fifty-three".